Week of Sep 7 – Sep 11, 2026
By Trabud · Insider-trading data from SEC EDGAR
Published:
The summary paragraph is drafted by an AI model from the week's ranked filings and published automatically; every figure in the tables comes directly from SEC Form 4 filings. How this page is built. Not investment advice.
Bill Gates' Cascade Investment dominated insider buying with two Republic Services (RSG) purchases totaling over $324 million, while Conifer Management's $64 million in Group 1 Automotive (GPI) stock marked a second notable bullish bet. On the sell side, NVIDIA director Mark Stevens liquidated $236 million in NVDA shares and Silver Lake Partners unloaded roughly $138 million in Dell (DELL) stock across three transactions, with Hagerty Holding Corp.'s $122 million HGTY sale rounding out the week's largest dispositions. The activity signals concentrated confidence in industrial and automotive sectors on the buy side, contrasted with significant profit-taking in semiconductor and technology holdings.
- Total bought
- $474.6M
- 10 filings
- Total sold
- $667.3M
- 10 filings
- Companies
- 13
- tracked this week
- Net flow
- −$192.8M
- net selling
Top insider buys
| # | Company | Insider | Shares | Value |
|---|---|---|---|---|
| 1 | RSG◇2REPUBLIC SERVICES, INC. | CASCADE INVESTMENT, L.L.C.Other | 735.3K | $164.7M |
| 2 | RSG◇2REPUBLIC SERVICES, INC. | CASCADE INVESTMENT, L.L.C.Other | 720.8K | $159.6M |
| 3 | GPI◇2GROUP 1 AUTOMOTIVE INC | Conifer Management, L.L.C.Other | 140.3K | $40.6M |
| 4 | QVCG◇2QVC Group, Inc. | Steven A. TananbaumOther | 1.6M | $26.0M |
| 5 | GPI◇2GROUP 1 AUTOMOTIVE INC | Conifer Management, L.L.C.Other | 84.0K | $23.7M |
| 6 | GMEGameStop Corp. | Ryan CohenCEO | 1.0M | $20.4M |
| 7 | QVCG◇2QVC Group, Inc. | Steven A. TananbaumOther | 720.0K | $11.8M |
| 8 | UBERUber Technologies, Inc | Dara KhosrowshahiCEO | 141.0K | $10.0M |
| 9 | ALMSALUMIS INC. | Srinivas AkkarajuDirector | 890.6K | $9.7M |
| 10 | GWAVGreenwave Technology Solutions, Inc. | Danny MeeksCEO | 2.2M | $8.0M |
Top insider sells
| # | Company | Insider | Shares | Value |
|---|---|---|---|---|
| 1 | NVDANVIDIA CORP | Mark A StevensDirector | 1.0M | $235.6M |
| 2 | HGTYHagerty, Inc. | Hagerty Holding Corp.Other | 10.6M | $122.0M |
| 3 | DELL◇5Dell Technologies Inc. | Egon DurbanDirector | 92.2K | $48.1M |
| 4 | DELL◇5Dell Technologies Inc. | Egon DurbanDirector | 91.2K | $47.2M |
| 5 | DELL◇5Dell Technologies Inc. | Egon DurbanDirector | 83.0K | $42.9M |
| 6 | DELL◇5Dell Technologies Inc. | Egon DurbanDirector | 75.3K | $38.2M |
| 7 | VGVenture Global, Inc. | Keith D LarsonOther | 2.4M | $35.7M |
| 8 | DELL◇5Dell Technologies Inc. | Egon DurbanDirector | 68.5K | $34.8M |
| 9 | AGNTAGNT, Inc. | Gratitude 2022 Trust U/A/D 8/26/22Other | 8.7M | $32.0M |
| 10 | CRWVCoreWeave, Inc. | Michael N IntratorCEO | 307.7K | $30.8M |
Quick Answer
What were the biggest insider trades the week of Sep 7 – Sep 11, 2026?
For the week of Sep 7 – Sep 11, 2026, the biggest buy was $164.7M of RSG by CASCADE INVESTMENT, L.L.C.; the biggest sale was $235.6M of NVDA by Mark A Stevens.
Source: SEC EDGAR Form 4
Frequently Asked Questions
Which insider bought the most the week of Sep 7 – Sep 11, 2026?
CASCADE INVESTMENT, L.L.C. (Other) bought $164.7M of REPUBLIC SERVICES, INC. (RSG) — the largest insider purchase of the week by dollar value.
Which insider sold the most the week of Sep 7 – Sep 11, 2026?
Mark A Stevens (Director) sold $235.6M of NVIDIA CORP (NVDA) — the largest insider sale of the week by dollar value.
How are these insider trades ranked?
Trabud ranks each week's SEC Form 4 filings by total transaction dollar value, surfacing the largest open-market insider buys and sells. All data comes directly from official SEC EDGAR filings.
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